>> in those two months, six more black youths would disappear and die. detectives saw nothing to link the klan to them. >> if somebody was in there with a van or two or three men who -- to grab somebody and dump them in the back of the van, people would have noticed if they were white. >> the brothers were called in. they took lie detector tests and passed. >> they were polygraphed and cleared as to their involvement in the killing of atlanta's children. >> clearing the klan didn't stop the murders. jo-jo bell was one of the victims who vanished during the surveillance. he used to hang out at this seafood carry-out place. manager richard harp. >> come here and do anything, i'd give him a dollar just long enough to get money to go to a show or get money to -- you know, to buy stuff at the store or something like that.